Ancient Greek word root · Earth & Sky
helio-: sun
helio- is an Ancient Greek root meaning “sun”. Learn its variants and explore 1 connected words.
Meaning and variants
Meaning: sun
Root forms: helio-, heli-
Source word: ἥλιος — sun
Word family and examples
- heliocentric
having the sun as the center
Root connections help with vocabulary recall. They are not a complete etymological history, and a spelling match alone does not prove a relationship.
Explore this root in the app →
Source: Wiktionary. Dictionary text is adapted from Wiktionary under CC BY-SA 4.0. Definitions are selected and reformatted; root links are curated by Word Radicals. Read about sources and limitations.